CO2 Exhale Bag

The Exhale Homegrown CO2 Cultivator works 24 hours a day with no need to refill bottles or invest in a complex CO2 system. The vented cultivator unit contains a non-fruiting mycelial mass that produces CO2 continually for up to six months. Because it uses no electricity and generates no heat, there?s no need to turn it on or off; it simply sits and does its job. The Exhale Cultivator is designed for small to medium grow spaces, providing enough CO2 for four to six plants.